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Male  Klaas Knol

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Female  Boulina Fenna Wierema

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1887--
1888--
1892--
1896--
1900--
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1924--
1928--
1931--
Birth--25 August 1892 - Baflo, Winsum, Groningen, Netherlands
Birth--4 August 1899 - Groningenm, Groningen, Groningen, Netherlands
Marriage--21 January 1926 - Groningen, Groningen, Groningen, Netherlands (Age 26)
Marriage--21 January 1926 - Groningen, Groningen, Groningen, Netherlands (Age 33)